John thought he was ____ when the manager asked him for the advice on the new product.
Experts say walking is one of the best ways for a person to _____ healthy.
Jack almost fell off the cliff, but managed to _____ until help came.
The storm sweeping over this area now is sure to cause _____ of vegetables in the coming days.
Don't _____ the news to the public until we give you the go-ahead (许可,准许).
If you _____ your demand, then maybe you will have more chance of getting what you want.